diff --git a/apps/addressbook/build.xml b/apps/addressbook/build.xml
index 0263586a92..5b22cd200e 100644
--- a/apps/addressbook/build.xml
+++ b/apps/addressbook/build.xml
@@ -20,7 +20,7 @@
 	<target name="distclean" depends="clean" />
 
 	<target name="compile" depends="init">
-		<javac debug="true" deprecation="on" source="1.3" target="1.3" 
+		<javac debug="true" deprecation="on" source="1.5" target="1.5" 
                        srcdir="${src}" destdir="${build}">
             <classpath>
                 <pathelement location="../../core/java/build/i2p.jar" />
diff --git a/apps/i2psnark/java/build.xml b/apps/i2psnark/java/build.xml
index ed03f847f8..548e129aeb 100644
--- a/apps/i2psnark/java/build.xml
+++ b/apps/i2psnark/java/build.xml
@@ -12,7 +12,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.3" target="1.3" 
+            debug="true" deprecation="on" source="1.5" target="1.5" 
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../../router/java/build/router.jar:../../jetty/jettylib/org.mortbay.jetty.jar:../../jetty/jettylib/javax.servlet.jar:../../ministreaming/java/build/mstreaming.jar" />
     </target>
@@ -36,7 +36,7 @@
         </zip>
     </target>
     <target name="standalone_prep" depends="war">
-        <javac debug="true" deprecation="on" source="1.3" target="1.3" 
+        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
                destdir="./build" srcdir="src/" includes="org/klomp/snark/web/RunStandalone.java" >
             <classpath>
                 <pathelement location="../../jetty/jettylib/commons-logging.jar" />
diff --git a/apps/i2ptunnel/java/build.xml b/apps/i2ptunnel/java/build.xml
index 263222f5ff..852922ad94 100644
--- a/apps/i2ptunnel/java/build.xml
+++ b/apps/i2ptunnel/java/build.xml
@@ -12,7 +12,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.3" target="1.3" 
+            debug="true" deprecation="on" source="1.5" target="1.5" 
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../ministreaming/java/build/mstreaming.jar" />
     </target>
@@ -56,7 +56,7 @@
             <arg value="-webapp" />
             <arg value="../jsp/" />
         </java>
-        <javac debug="true" deprecation="on" source="1.3" target="1.3" 
+        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
                destdir="../jsp/WEB-INF/classes/" srcdir="../jsp/WEB-INF/classes" includes="**/*.java">
             <classpath>
                 <pathelement location="../../jetty/jettylib/jasper-runtime.jar" />
diff --git a/apps/ministreaming/java/build.xml b/apps/ministreaming/java/build.xml
index 70fe0fe007..321ebf2c8c 100644
--- a/apps/ministreaming/java/build.xml
+++ b/apps/ministreaming/java/build.xml
@@ -8,7 +8,7 @@
     <target name="compile">
         <mkdir dir="./build" />
         <mkdir dir="./build/obj" />
-        <javac srcdir="./src" debug="true" deprecation="on" source="1.3" target="1.3" destdir="./build/obj" classpath="../../../core/java/build/i2p.jar" />
+        <javac srcdir="./src" debug="true" deprecation="on" source="1.5" target="1.5" destdir="./build/obj" classpath="../../../core/java/build/i2p.jar" />
     </target>
     <target name="jar" depends="compile">
         <jar destfile="./build/mstreaming.jar" basedir="./build/obj" includes="**/*.class" />
diff --git a/apps/routerconsole/java/build.xml b/apps/routerconsole/java/build.xml
index 108e49601f..a9254195d4 100644
--- a/apps/routerconsole/java/build.xml
+++ b/apps/routerconsole/java/build.xml
@@ -15,7 +15,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.3" target="1.3" 
+            debug="true" deprecation="on" source="1.5" target="1.5" 
             destdir="./build/obj">
             <classpath>
                 <pathelement location="../../../core/java/build/i2p.jar" />
@@ -82,7 +82,7 @@
             <arg value="../jsp/" />
         </java>
         
-        <javac debug="true" deprecation="on" source="1.3" target="1.3" 
+        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
                destdir="../jsp/WEB-INF/classes/" 
                srcdir="../jsp/WEB-INF/classes" includes="**/*.java">
             <classpath>
diff --git a/apps/sam/java/build.xml b/apps/sam/java/build.xml
index cdeb2d0efe..aa11115227 100644
--- a/apps/sam/java/build.xml
+++ b/apps/sam/java/build.xml
@@ -11,7 +11,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src:./test" 
-            debug="true" deprecation="on" source="1.3" target="1.3" 
+            debug="true" deprecation="on" source="1.5" target="1.5" 
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../ministreaming/java/build/mstreaming.jar" />
     </target>
diff --git a/apps/streaming/java/build.xml b/apps/streaming/java/build.xml
index 7f09f74233..bc02e8876f 100644
--- a/apps/streaming/java/build.xml
+++ b/apps/streaming/java/build.xml
@@ -11,7 +11,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src:./test" 
-            debug="true" deprecation="on" source="1.3" target="1.3" 
+            debug="true" deprecation="on" source="1.5" target="1.5" 
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../ministreaming/java/build/mstreaming.jar" />
     </target>
diff --git a/apps/susidns/src/build.xml b/apps/susidns/src/build.xml
index 0f63d36770..88b1360d32 100644
--- a/apps/susidns/src/build.xml
+++ b/apps/susidns/src/build.xml
@@ -24,7 +24,7 @@
  	</path>
  	<target name="compile">
 		<mkdir dir="${bin}" />
-		<javac debug="true" deprecation="on" source="1.3" target="1.3"
+		<javac debug="true" deprecation="on" source="1.5" target="1.5"
  			classpathref="cp" destdir="${bin}" srcdir="${src}" includes="**/*.java" />
 	</target>
     <target name="precompilejsp">
@@ -42,7 +42,7 @@
             <arg value="-webapp" />
             <arg value="./jsp" />
         </java>
-        <javac debug="true" deprecation="on" source="1.3" target="1.3" 
+        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
                destdir="${bin}" srcdir="./WEB-INF/classes" includes="**/*.java" classpathref="cp">
          </javac>
         <copy file="WEB-INF/web-template.xml" tofile="WEB-INF/web-out.xml" />
diff --git a/apps/susimail/build.xml b/apps/susimail/build.xml
index 02c9a0a83d..0c2ee61c7d 100644
--- a/apps/susimail/build.xml
+++ b/apps/susimail/build.xml
@@ -8,7 +8,7 @@
     <target name="compile" depends="clean">
         <javac 
             srcdir="./src/src"
-            debug="true" deprecation="off" source="1.3" target="1.3" 
+            debug="true" deprecation="off" source="1.5" target="1.5" 
             destdir="./src/WEB-INF/classes">
             <classpath>
                 <pathelement location="../jetty/jettylib/javax.servlet.jar" />
diff --git a/apps/systray/java/build.xml b/apps/systray/java/build.xml
index 70e6c78401..cafbbd70df 100644
--- a/apps/systray/java/build.xml
+++ b/apps/systray/java/build.xml
@@ -12,8 +12,8 @@
             srcdir="./src"
             debug="true"
             deprecation="on"
-            source="1.3"
-            target="1.3"
+            source="1.5"
+            target="1.5"
             destdir="./build/obj"
             includes="**/*.java"
             classpath="./lib/systray4j.jar:../../../core/java/build/i2p.jar" />
diff --git a/core/java/build.xml b/core/java/build.xml
index 71c48bd83a..d568db3412 100644
--- a/core/java/build.xml
+++ b/core/java/build.xml
@@ -8,12 +8,12 @@
     <target name="compile">
         <mkdir dir="./build" />
         <mkdir dir="./build/obj" />
-        <javac srcdir="./src" debug="true" source="1.3" target="1.3" deprecation="on" destdir="./build/obj" />
+        <javac srcdir="./src" debug="true" source="1.5" target="1.5" deprecation="on" destdir="./build/obj" />
     </target>
     <target name="compileTest">
         <mkdir dir="./build" />
         <mkdir dir="./build/obj" />
-        <javac srcdir="./src:./test" debug="true" source="1.3" target="1.3" deprecation="on" destdir="./build/obj" />
+        <javac srcdir="./src:./test" debug="true" source="1.5" target="1.5" deprecation="on" destdir="./build/obj" />
     </target>
     <target name="jar" depends="compile">
         <jar destfile="./build/i2p.jar" basedir="./build/obj" includes="**/*.class" />
diff --git a/router/java/build.xml b/router/java/build.xml
index 56472f38ae..0e0df9f62f 100644
--- a/router/java/build.xml
+++ b/router/java/build.xml
@@ -11,12 +11,12 @@
     <target name="compile">
         <mkdir dir="./build" />
         <mkdir dir="./build/obj" />
-        <javac srcdir="./src" debug="true" source="1.3" target="1.3" deprecation="on" destdir="./build/obj" classpath="../../core/java/build/i2p.jar" />
+        <javac srcdir="./src" debug="true" source="1.5" target="1.5" deprecation="on" destdir="./build/obj" classpath="../../core/java/build/i2p.jar" />
     </target>
     <target name="compileTest" depends="builddeptest">
         <mkdir dir="./build" />
         <mkdir dir="./build/obj" />
-        <javac srcdir="./src:./test" debug="true" source="1.3" target="1.3" deprecation="on" destdir="./build/obj" classpath="../../core/java/build/i2ptest.jar" />
+        <javac srcdir="./src:./test" debug="true" source="1.5" target="1.5" deprecation="on" destdir="./build/obj" classpath="../../core/java/build/i2ptest.jar" />
     </target>
     <target name="jar" depends="compile">
         <jar destfile="./build/router.jar" basedir="./build/obj" includes="**/*.class" />